Answer:
The particle will be rendered still
Explanation:
The particle will be rendered still because of the Newton’s 1st law of motion states that a body will continue to move on forever until contacted by an equal and opposite force. The same case has been produced here and it is justifying the law. If the Force has another direction and magnitude than 10 N then the body will continue to move on in the direction of the greater force.
Answer:
12 A
Explanation:
Voltage, V = 120 V
Resistance, R 10 ohm
By using ohm's law
V = i x R
where, i is the current
i = V / R
i = 120 / 10
i = 12 A
thus, the current is 12 A.
V = Volume of sample of gas = 1.00 L = 0.001 m³
T = temperature of the gas = 25.0 ⁰C = 25 + 273 = 298 K
P = pressure = 1.00 atm = 101325 Pa
n = number of moles of gas
using ideal gas equation
PV = n RT
101325 (0.001) = n (8.314) (298)
n = 0.041
n₁ = number of moles of helium
n₂ = number of moles of neon
m₁ = mass of helium = n₁ (4) = 4 n₁
m₂ = mass of neon = n₂ (20.2) = 20.2 n₂
given that :
m₁ = m₂
4 n₁ = 20.2 n₂
n₁ = 5.05 n₂
also
n₁ + n₂ = n
5.05 n₂ + n₂ = 0.041
n₂ = 0.0068
mole fraction of neon is given as
mole fraction = n₂ /n = 0.0068/0.041 = 0.166
P₂ = partial pressure of neon = (mole fraction) P
P₂ = (0.166) (1)
P₂ = 0.166 atm
The partial pressure of the neon is 0.16 atm.
A 1.00 l sample of a gas at 25.0◦c and 1.00 atm contains 50.0 % helium and 50.0 % neon by mass. what is the partial pressure of the neon. express your answer in atmospheres.
The partial pressure is the notional pressure of constituent gas if it is occupied alone by the entire volume of the original mixture at the same temperature.
50.0 % helium and 50.0 % neon by mass.
Mass of the gases =
By using ideal gas equation we get:
where total number of moles of gases
Then we can find the mass and mole of gases
The gas molar volume is the volume of one mole of the gas at a given temperature and pressure.
Mass of helium gas =
Moles of helium gas
Mass of neon gas
Moles of neon gas
Partial pressure of the neon gas:
Therefore the partial pressure of the neon gas is 0.16 atm.
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